I recently analyzed a somewhat puzzling data set. I was sending HTTP POST requests to a system. The system's would then acknowledge receipt of these requests (returning a 200 status code), and some time later (it was a slow asynchronous process) send a web hook to a specified URL if …

It's a widely cited fact that Uber has continually lost money since it started. Uber opponents widely cite this fact hoping that once the VCs stop investing, Uber will collapse and we can return to the era of yellow cabs. Another stylized fact about Uber is that it's profitable in …

I recently gave a talk at PyDelhi 2017. The talk was an introduction to Bayesian statistics for the average Python programmer who knows no statistics. The slides are available here.. Examples included my gamble with @lisamahapatra as to whether Richard Spencer ever hurt anyone, how to predict disease given diagnostic …

Sometimes in statistics, one knows certain facts with absolute certainty about a distribution. For example, let $@ t $@ represent the time delay between an event occurring and the same event being detected. I don't know very much about the distribution of times, but one thing I can say with certainty is …

Very often one builds a statistical model in pieces. For example, imagine one has a binary event which may or may not occur - to work with my thematic example, a visitor arrives on a webpage and he may or may not convert. A reasonable question to ask is "if I …